US6823704B2 - Apparatus and method of forming cylindrical work piece - Google Patents

Apparatus and method of forming cylindrical work piece Download PDF

Info

Publication number
US6823704B2
US6823704B2 US10/197,429 US19742902A US6823704B2 US 6823704 B2 US6823704 B2 US 6823704B2 US 19742902 A US19742902 A US 19742902A US 6823704 B2 US6823704 B2 US 6823704B2
Authority
US
United States
Prior art keywords
shifting
spindle
work piece
holding mechanism
motion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US10/197,429
Other languages
English (en)
Other versions
US20040011105A1 (en
Inventor
Yoshinobu Nakamura
Hiroaki Mizumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nihon Spindle Manufacturing Co Ltd
Original Assignee
Nihon Spindle Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2000366447A priority Critical patent/JP2002172429A/ja
Assigned to NIHON SPINDLE MFG. CO., LTD. reassignment NIHON SPINDLE MFG. CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MIZUMOTO, HIROAKI, NAKAMURA, YOSHINOBU
Application filed by Nihon Spindle Manufacturing Co Ltd filed Critical Nihon Spindle Manufacturing Co Ltd
Priority to US10/197,429 priority patent/US6823704B2/en
Publication of US20040011105A1 publication Critical patent/US20040011105A1/en
Application granted granted Critical
Publication of US6823704B2 publication Critical patent/US6823704B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/18—Construction facilitating manufacture, assembly, or disassembly
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/04—Reducing; Closing

Definitions

  • the present invention concerns a forming method for forming part of or the entire circumference of a cylindrical work piece into circular or deformed circular shape, such as ellipse, etc., for example, by executing forming on a cylindrical work piece, and an apparatus for such forming.
  • Forming work on cylindrical work piece includes drawing, cutting, etc., for example.
  • the processing is preformed by fixing the work piece and turning the spindle together with the processing tool, while moving the processing tool mounted on a spindle in the radial direction of the spindle.
  • the objective of the present invention is to provide a forming method for forming part of or the entire circumference of a cylindrical work piece into a circular or deformed circular shape, such as an ellipse, etc., for example, by executing forming work on a cylindrical work piece, and an apparatus for such method that is capable of solving said problems of conventional forming method for cylindrical work piece.
  • the forming method for a cylindrical work piece according to this first invention is a forming method for executing forming work on a cylindrical work piece, by means of a forming apparatus comprising a spindle mechanism provided with a processing tool mounted at the tip of the spindle, and a holding mechanism for holding a cylindrical work piece disposed in such a way that it faces the spindle mechanism, characterized in that prescribed forming work is executed on the work piece, by putting the holding mechanism in a prescribed shifting motion, while shifting the spindle mechanism and the holding mechanism relatively in the axial direction of the spindle, and by relatively shifting said processing tool along the outer circumference of the work piece.
  • This forming method for a cylindrical work piece realized in such a way that prescribed forming work is executed on the work piece by putting the holding mechanism in a prescribed shifting motion while shifting the spindle mechanism and the holding mechanism relatively in the axial direction of the spindle, and by relatively shifting the processing tool along the outer circumference of the work piece, can secure a high degree of freedom for the relative shifting of the processing tool against the work piece, and can execute forming work on a cylindrical work piece into circular or deformed circular shapes, such as an ellipse, etc. for example, easily and with high accuracy.
  • the shifting motion of the holding mechanism may be a circular motion.
  • the shifting motion of the holding mechanism may be a deformed circular motion such as ellipse, etc.
  • the center of the shifting motion of the holding mechanism may be deviated from the center axis of the spindle.
  • the center of shifting motion of the holding mechanism may be deviated at a prescribed inclination against the center axis of the spindle.
  • the forming method may be realized in such a way as to make the inclination changeable during forming.
  • a drawing tool or a cutting tool may be used selectively as processing tools, to enable the selective execution of drawing or cutting on the work piece.
  • the forming apparatus for a cylindrical work piece according to this second invention which is an apparatus for implementing the forming method for a cylindrical work piece of this first invention, is a forming apparatus for cylindrical work pieces comprising a spindle mechanism provided with a processing tool mounted at the tip of the spindle, and a holding mechanism for holding the cylindrical work piece disposed in such a way as to face the spindle mechanism, it is provided with an axial shifting mechanism for relatively shifting the spindle mechanism and the holding mechanism in the axial direction of the spindle, a shifting motion mechanism for enabling the holding mechanism to make a prescribed shifting motion, and a control mechanism for driving the axial shifting and shifting motion mechanism in linkage with each other.
  • This forming apparatus for a cylindrical work piece realized by comprising an axial shifting function for shifting the spindle mechanism and the holding mechanism relatively in the axial direction of the spindle, a shifting motion function for enabling the holding mechanism to make prescribed shifting motions, and a control mechanism for driving said axial shifting and shifting motion functions in linkage with each other, can simplify the structure on the spindle side, which is liable to be a complicated structure, reduce the manufacturing cost of the apparatus, and facilitate maintenance thereof.
  • it can secure a high degree of freedom for the relative shifting of the processing tool against the work piece, and can execute forming work on a cylindrical work piece into circular or deformed circular shapes, such as an ellipse, etc. for example, easily and with high accuracy.
  • the shifting motion function may be comprised of two linear shifting means for shifting the holding mechanism in a prescribed direction and in the direction orthogonal to it, to enable the holding mechanism to make prescribed shifting motions by driving the two axial shifting mechanism in linkage with each other with the control mechanism.
  • a holding mechanism deviating function may be provided for deviating the axis of the holding mechanism at a prescribed inclination against the center axis of the spindle.
  • a drawing tool or a cutting tool may be used selectively as processing tools.
  • FIG. 1 is a side view of the forming apparatus for cylindrical work piece according to the present invention.
  • FIG. 2 is a longitudinal sectional view of the tip portion of the spindle mechanism.
  • FIG. 3 is a front elevation of the mounting base of the drawing tool.
  • FIG. 4 is a front elevation of the holding mechanism.
  • FIG. 5 is an explanatory drawing showing the reference position of the work piece in the case where the work piece is processed in a circular shape.
  • FIG. 6 is an explanatory drawing showing a state in the case where the work piece is shifted downward from the reference position.
  • FIG. 7 is an explanatory drawing showing a state in the case where the work piece is shifted to the left from the reference position.
  • FIG. 8 is an explanatory drawing showing a state in the case where the work piece is shifted upward from the reference position.
  • FIG. 9 is an explanatory drawing showing a state in the case where the work piece is shifted to the right from the reference position.
  • FIG. 10 is an explanatory drawing showing a state in the case where the work piece is shifted along the locus of a circular shape.
  • FIG. 11 is a front elevation of the formed piece in the case of FIG. 10 .
  • FIG. 12 is an explanatory drawing showing a state in the case where the work piece is shifted along the locus of a circular shape while changing the diameter of the shifting motion.
  • FIG. 13 is a front elevation of the formed piece in the case of FIG. 12 .
  • FIG. 14 is an explanatory drawing showing a state in the case where the center of the work piece is shifted along the locus of a circular shape deviated from the center axis of the spindle.
  • FIG. 15 is a front elevation of the formed piece in the case of FIG. 14 .
  • FIG. 16 is an explanatory drawing showing another state in the case where the center of the work piece is shifted along the locus of a circular shape deviated from the center axis of the spindle.
  • FIG. 17 is a front elevation of the formed piece in the case of FIG. 16 .
  • FIG. 18 is an explanatory drawing showing a state in the case where the center of the work piece is deviated from the center axis of the spindle and shifted along the locus of a circular shape, while changing the diameter of the shifting motion.
  • FIG. 19 is a front elevation of the formed piece in the case of FIG. 18 .
  • FIG. 20 is an explanatory drawing showing a state in the case where the center of the work piece is deviated at prescribed inclination against the center axis of the spindle and shifted along the locus of a circular shape,while changing the diameter of the shifting motion.
  • FIG. 21 is an explanatory drawing showing a state in the case where the work piece is shifted along the locus of a circular shape, while changing the inclination at the center and also changing the diameter of the shifting motion.
  • FIG. 22 is an explanatory drawing showing the reference position of the work piece in the case where the work piece is processed into elliptic shape.
  • FIG. 23 is an explanatory drawing showing a state in the case where the work piece is shifted downward from the reference position.
  • FIG. 24 is an explanatory drawing showing a state in the case where the work piece is shifted to the left from the reference position.
  • FIG. 25 is an explanatory drawing showing a state in the case where the work piece is shifted downward and to the left from the reference position.
  • FIG. 26 is an explanatory drawing showing a state in the case where the work piece is shifted along the locus of an elliptic shape.
  • FIG. 27 is a perspective view of the formed piece in the case of FIG. 10 .
  • FIG. 28 is a perspective view of the formed piece in the case of FIG. 12 .
  • FIG. 29 is a perspective view of the formed piece in the case of FIG. 16 .
  • FIG. 30 is a perspective view of the formed piece in the case of FIG. 18 .
  • FIG. 31 is a perspective view of the formed piece in the case of FIG. 26 .
  • FIG. 32 is a perspective view of the formed piece in the case where the work piece corresponding to FIG. 28 is formed into elliptic shape.
  • FIG. 1 to FIG. 4 show an embodiment of the forming apparatus for cylindrical work piece of the present invention.
  • This forming apparatus 1 comprises a spindle mechanism 2 provided with a processing tool R mounted at the tip of the spindle 7 , and a holding mechanism 3 for holding cylindrical work piece W disposed in a way to face the spindle mechanism 2 , and also comprises an axial shifting means 4 for shifting the spindle mechanism 2 and the holding mechanism 3 relatively in the axial direction of the spindle 7 , shifting motion means 36 , 38 for enabling the holding mechanism 3 to make prescribed shifting motion, and a control mechanism 10 for driving the axial shifting means 4 and shifting motion means 36 , 38 in linkage with each other.
  • the spindle mechanism 2 is provided with a tool mounting stand 8 at the tip of the spindle 7 , placed in a way to be slidable in the longitudinal direction along a guide rail 6 installed on a base 5 .
  • the spindle 7 is rotatably supported on a box 9 through bearing, and is driven to turn by a drive motor M.
  • the tool mounting stand 8 comprises a proper number of supporting member 11 (3 pieces in this embodiment) for mounting processing tool R at equal distance from the center.
  • This supporting member 11 is provided with an adjusting means 15 for adjusting the distance of the processing tool(drawing tool in this embodiment) R from the center as required.
  • axial shifting means 4 for shifting the spindle mechanism 2 and the holding mechanism 3 relatively in the axial direction of the spindle 7 a motor for longitudinal shifting 4 for shifting the spindle mechanism 2 in longitudinal direction along the guide rail 6 is provided in this embodiment.
  • the holding mechanism 3 for holding the cylindrical work piece W comprises a lower fixing claw 30 and an upper fixing claw 31 for pinching the cylindrical work piece W, a lifting frame 33 on which is mounted a cylinder 32 for lifting this lifting claw 31 , a supporting frame 34 for supporting this lifting frame 33 in a way to allow lifting, and a fixed base 35 for supporting this supporting frame 34 in a way to allow shifting in transversal direction.
  • shifting motion means 36 , 38 for enabling the holding mechanism 3 to make prescribed shifting motion
  • a lifting motor 36 for lifting the lifting frame 33 along a guide 37 and a transverse shifting motor 38 for shifting the supporting frame 34 along a guide 39 are provided, to thereby enable the holding mechanism 3 to make prescribed two-dimensional shifting motion with linked driving of two linear shifting means as shifting motion means 36 , 38 .
  • this holding mechanism 3 may be provided with a holding mechanism deviating means (not illustrated) for deviating the axis of the holding mechanism 3 at prescribed inclination against the center axis of the spindle 7 , by swinging the lifting frame 33 in horizontal plane.
  • This holding mechanism deviating means may be constituted by disposing a turntable, capable of turning in the horizontal plane and adjusting an angle, on either the lifting frame 33 , supporting frame 34 or fixed base 35 , for example.
  • the motor for longitudinal shifting 4 as axial shifting means for relatively shifting the spindle mechanism 2 and the holding mechanism 3 in the axial direction of the spindle 7 as well as the lifting motor 36 and the transversal shifting motor 38 as the shifting motion means for enabling the holding mechanism 3 to make prescribed shifting motion, in linkage with one another, to enable the holding mechanism 3 to make prescribed shifting motion.
  • both the shifting motion of the holding mechanism 3 and the shifting motion of the work piece W are expressed as shifting motion of work piece W, because they may be considered as identical in this context.
  • FIG. 5 indicates a state in the case of a reference position at which the center A of the work piece W, in the case where the work piece W is processed into circular shape, is made to agree with the center of rotation C of the drawing roller R.
  • the locus CA by the drawing roller R agrees with the outer circumference Wa of the drawn work piece W.
  • FIG. 6 indicates a state in the case where the center A of the work piece W is shifted downward by a distance v from the center of rotation C of the drawing roller R.
  • the portion Da 1 off the locus CA by the roller is drawn, and the work piece W takes a circular shape deformed flat in up-down direction.
  • FIG. 7 to FIG. 9 indicate a state in the case where the center A of the work piece W is shifted to the left, upward or to the right by a distance v from the center of rotation C of the drawing roller R.
  • FIG. 10 combination of the states of FIG. 5 to FIG. 9, indicates a case where the center A of the work piece W is shifted by a distance v around the center of rotation C of the drawing roller R, namely made to perform a circular motion A 1 with a radius v around the center of rotation C of the drawing roller R.
  • FIG. 10 indicates a case where the center A of the work piece W is returned to the center of rotation C.
  • the work piece W is drawn up to the outer circumference Wz and, as a result, the work piece W comes to be drawn into cylindrical shape as shown in FIG. 11 .
  • FIG. 27 shows a perspective view of the formed piece Wm in this case.
  • FIG. 12 indicates a case where the center m 1 of the shifting locus L 1 of the work piece W is made to agree with the center of rotation C of the drawing roller R, and the diameter of shifting motion of the work piece W is changed in proportion to the shifting by the motor for longitudinal shifting 4 (hereinafter referred to as “shifting in direction Z”).
  • the shaded portion Dm 1 is drawn to the minimum diameter Wz 1 and, as a result, the work piece W is drawn into circular truncated conical shape as shown in FIG. 13 .
  • FIG. 28 shows a perspective view of the formed piece Wm in this case.
  • FIG. 14 to FIG. 17 indicate a case where the center axis of shifting motion of the work piece W is deviated from the center axis of the spindle 7 .
  • FIG. 29 shows a perspective view of the formed piece Wm corresponding to FIG. 16 and FIG. 17 .
  • FIG. 18 indicates a case where the center axis of shifting motion of the work piece W is deviated from the center axis of the spindle 7 , and that the diameter of shifting motion of the work piece W is changed in proportion to the shifting in direction Z.
  • center of shifting motion is at m 4 and the shifting locus is L 4
  • the shaded portion Dm 4 is drawn to the minimum diameter Wz 4 and, as a result, the work piece W is drawn into an asymmetric circular truncated conical shape as shown in FIG. 19 .
  • FIG. 30 shows a perspective view of the formed piece Wm in this case.
  • FIG. 20 indicates a case where the center axis of shifting motion of the work piece W is deviated at prescribed inclination against the center axis of the spindle 7 .
  • the shifting locus of the work piece W is the same as that in the embodiment indicated in FIG. 12 .
  • FIG. 21 further indicates an embodiment in which the inclination is changed during a forming.
  • FIG. 22 indicates a state of reference position in which the center A of the work piece W is made to agree with the center of rotation C of the drawing roller R, in the case where the work piece W is processed into elliptic shape.
  • the locus CA by the drawing roller R agrees with the outer circumference Wb of the drawn work piece W.
  • FIG. 23 indicates a state in the case where the center A of the work piece W is shifted downward by a distance x from the center of rotation C of the drawing roller R.
  • the portion Db 1 off the locus CA by the roller is drawn, and the work piece W takes a circular shape deformed flat in up-down direction.
  • FIG. 24 indicates a state in the case where the center A of the work piece W is shifted to the left by a distance y from the center of rotation C of the drawing roller R.
  • the portion Db 2 off the locus CA by the roller is drawn, and the work piece W takes a circular shape deformed flat in left-right direction, in the same way as in FIG. 23 .
  • FIG. 25 combination of the states of FIG. 23 and FIG. 24, indicates a case where the center A of the work piece W is shifted downward by a distance x and to the left by a distance y, namely shifted along the 1 ⁇ 4 elliptic curve A 2 , from the center of rotation C of the drawing roller R.
  • FIG. 25 indicates a state in which the center A of the work piece W is returned to the center of rotation C.
  • the drawn portion Db 3 becomes equal to the total of the portions Db 1 and Db 2 indicated in FIG. 23 and FIG. 24 respectively, and the work piece W takes a circular shape deformed flat in up-down and left-right directions.
  • FIG. 26 indicates a state in the case where the center A of the work piece W is shifted up and down by a distance x and to left and right by a distance y, namely shifted along the elliptic curve A 3 , from the center of rotation C of the drawing roller R.
  • FIG. 26 indicates a state in which the center A of the work piece W is returned to the center of rotation C.
  • the portion Db 4 is drawn, and the work piece W takes a circular shape deformed flat in up-down and left-right directions.
  • FIG. 31 shows a perspective view of the formed piece Wm in this case.
  • the diameter of shifting motion of the work piece W may further be changed in proportion to the shifting in direction Z.
  • FIG. 32 shows a perspective view of the formed piece Wm in this case.
  • Those shifting motions of the work piece W are made by inputting, in the control mechanism 10 , the amount of shifting motion (shifting locus)of the work piece W (holding mechanism 3 for holding the work piece W), with regard to the center of rotation C of the drawing roller R taken as reference position, amount of displacement between the center of shifting motion and the center axis of the spindle 7 , inclination, amount of change in inclination, amount of relative shifting of the spindle mechanism 2 and the holding mechanism 3 , etc., to execute drawing work.
  • the drawing work can be executed smoothly by controlling the amount of relative shifting of the spindle mechanism 2 and the holding mechanism 3 and the amount of shifting motion of the holding mechanism 3 , namely the amount of drawing, in relation to the rotation of the spindle 7 .
  • a cutting tool may be used selectively, in addition to said drawing tool R.
  • the holding mechanism is made to perform prescribed shifting motion so that the processing tool shifts relatively along the outer circumference of the work piece to execute prescribed processing on the work piece, it becomes possible to secure a high degree of freedom for the relative shifting of the processing tool against the work piece and execute forming work on a cylindrical work piece into circular or deformed circular shape, such as ellipse, etc. for example, easily and with high accuracy.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
US10/197,429 2000-12-01 2002-07-18 Apparatus and method of forming cylindrical work piece Expired - Fee Related US6823704B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000366447A JP2002172429A (ja) 2000-12-01 2000-12-01 円筒形状の被加工材料に対する成形加工方法及びその装置
US10/197,429 US6823704B2 (en) 2000-12-01 2002-07-18 Apparatus and method of forming cylindrical work piece

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000366447A JP2002172429A (ja) 2000-12-01 2000-12-01 円筒形状の被加工材料に対する成形加工方法及びその装置
US10/197,429 US6823704B2 (en) 2000-12-01 2002-07-18 Apparatus and method of forming cylindrical work piece

Publications (2)

Publication Number Publication Date
US20040011105A1 US20040011105A1 (en) 2004-01-22
US6823704B2 true US6823704B2 (en) 2004-11-30

Family

ID=32328246

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/197,429 Expired - Fee Related US6823704B2 (en) 2000-12-01 2002-07-18 Apparatus and method of forming cylindrical work piece

Country Status (2)

Country Link
US (1) US6823704B2 (ja)
JP (1) JP2002172429A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050081591A1 (en) * 2003-10-17 2005-04-21 Desousa Egas J. Method and apparatus for lean spin forming transition portions having various shapes
US20050081590A1 (en) * 2003-10-17 2005-04-21 Desousa Egas J. Method and apparatus for lean spin forming
US20140223986A1 (en) * 2011-09-05 2014-08-14 Teknia Manugacturing Group, S.L. Device for machining notches in headrest tubes
CN105290247A (zh) * 2015-11-23 2016-02-03 梁锋 圆锥形接头成型机
CN105307791A (zh) * 2013-04-03 2016-02-03 丰田自动车株式会社 旋压方法和旋压设备
CN105290248A (zh) * 2015-11-23 2016-02-03 梁锋 油冷式圆锥形接头成型机
US20160052036A1 (en) * 2013-04-03 2016-02-25 Toyota Jidosha Kabushiki Kaisha Spinning method and spinning apparatus

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4672609B2 (ja) * 2006-06-30 2011-04-20 日本スピンドル製造株式会社 絞り加工装置
JP4485579B2 (ja) * 2008-02-06 2010-06-23 日本スピンドル製造株式会社 非円形筒状の被加工材料の絞り加工方法
EP2340134B1 (de) * 2008-10-09 2012-06-20 Boehringer Ingelheim International GmbH Verfahren und werkzeug zur zylindrischen verformung einer al-hülse auf das kernmass des innenliegenden kunststoffverschlusses, als vorbereitung einer diffusionsdichten pressverbindung innerhalb der beiden bauteile
US8512295B2 (en) 2010-08-19 2013-08-20 West Pharmaceutical Services, Inc. Rigid needle shield
CN102699219A (zh) * 2012-06-07 2012-10-03 胡德林 加工非同轴筒体缩口的装置及其方法
WO2014095160A1 (en) * 2012-12-21 2014-06-26 Agco Netherlands Bv Implement control on vehicle
JP6056781B2 (ja) * 2013-04-10 2017-01-11 トヨタ自動車株式会社 マフラー製造方法及びマフラー
CN105813776A (zh) 2013-12-12 2016-07-27 康奈可关精株式会社 椭圆形筒体的成形方法及装置
CN111618131A (zh) * 2020-04-23 2020-09-04 丽水市莲都区毅荣凯盛模具厂 一种内部整形的汽车钢圈整形生产线
CN115193993B (zh) * 2022-09-14 2022-12-09 哈尔滨艾瑞排放控制技术股份有限公司 一种管状工件加工设备及其加工方法
KR102572131B1 (ko) * 2022-12-16 2023-08-29 주식회사 유한이엔지 촉매컨버터 제조용 스피닝 가공장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6018972A (en) * 1997-11-11 2000-02-01 Sango Co., Ltd Method and apparatus for forming an end portion of a cylindrical member
US6216512B1 (en) * 1993-11-16 2001-04-17 Sango Co., Ltd. Method and apparatus for forming a processed portion of a workpiece
US6233993B1 (en) * 1999-05-10 2001-05-22 Sango Co., Ltd. Method and apparatus for forming a processed portion of a workpiece
WO2002016058A1 (en) * 2000-07-21 2002-02-28 Massee Johan Forming machine and method for deforming a hollow workpiece
US6467322B2 (en) * 2000-03-15 2002-10-22 Calsonic Kansei Corporation Pipe shaping method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6216512B1 (en) * 1993-11-16 2001-04-17 Sango Co., Ltd. Method and apparatus for forming a processed portion of a workpiece
US6018972A (en) * 1997-11-11 2000-02-01 Sango Co., Ltd Method and apparatus for forming an end portion of a cylindrical member
US6233993B1 (en) * 1999-05-10 2001-05-22 Sango Co., Ltd. Method and apparatus for forming a processed portion of a workpiece
US6467322B2 (en) * 2000-03-15 2002-10-22 Calsonic Kansei Corporation Pipe shaping method
WO2002016058A1 (en) * 2000-07-21 2002-02-28 Massee Johan Forming machine and method for deforming a hollow workpiece
US20030172702A1 (en) * 2000-07-21 2003-09-18 Johan Massee Method and forming machine for deforming a hollow workpiece

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050081591A1 (en) * 2003-10-17 2005-04-21 Desousa Egas J. Method and apparatus for lean spin forming transition portions having various shapes
US20050081590A1 (en) * 2003-10-17 2005-04-21 Desousa Egas J. Method and apparatus for lean spin forming
US6990841B2 (en) * 2003-10-17 2006-01-31 Delphi Technologies, Inc. Method and apparatus for lean spin forming transition portions having various shapes
US7131305B2 (en) * 2003-10-17 2006-11-07 Delphi Technologies, Inc. Method and apparatus for lean spin forming
US20140223986A1 (en) * 2011-09-05 2014-08-14 Teknia Manugacturing Group, S.L. Device for machining notches in headrest tubes
US20160059286A1 (en) * 2013-03-04 2016-03-03 Toyota Jidosha Kabushiki Kaisha Spinning method and spinning apparatus
CN105307791A (zh) * 2013-04-03 2016-02-03 丰田自动车株式会社 旋压方法和旋压设备
US20160052036A1 (en) * 2013-04-03 2016-02-25 Toyota Jidosha Kabushiki Kaisha Spinning method and spinning apparatus
US10166582B2 (en) * 2013-04-03 2019-01-01 Toyota Jidosha Kabushiki Kaisha Spinning method and spinning apparatus
US10239106B2 (en) * 2013-04-03 2019-03-26 Toyota Jidosha Kabushiki Kaisha Spinning method and spinning apparatus
US11305327B2 (en) 2013-04-03 2022-04-19 Toyota Jidosha Kabushiki Kaisha Spinning method and spinning apparatus
CN105290248A (zh) * 2015-11-23 2016-02-03 梁锋 油冷式圆锥形接头成型机
CN105290247A (zh) * 2015-11-23 2016-02-03 梁锋 圆锥形接头成型机

Also Published As

Publication number Publication date
JP2002172429A (ja) 2002-06-18
US20040011105A1 (en) 2004-01-22

Similar Documents

Publication Publication Date Title
US6823704B2 (en) Apparatus and method of forming cylindrical work piece
CN1282518C (zh) 凸头螺栓的焊接方法以及装置
AU2003244039A1 (en) Method and apparatus for incremental forming
EP2087950B1 (en) Drawing method of work piece in non-circular cylindrical shape and apparatus for it
US6546992B2 (en) Method and apparatus for the working of cavity walls of continuous casting molds
US20050268683A1 (en) Plate bending machine
JP3857134B2 (ja) プレス機械
CN101208538A (zh) 具有弯曲的横向元件的推型带
JP2011218505A (ja) 超仕上げ装置
JP2022541069A (ja) 板状工作物、特に金属板を加工するためのツール及び方法
US4936125A (en) Plastic working method and apparatus
CN207563654U (zh) 一种三维弹簧骨架折弯机
US20040251617A1 (en) Sheet feed shaft
JP3612887B2 (ja) スクロール板のシール溝および壁面の加工方法
WO2020137831A1 (ja) コネクティングロッドの加工装置、及びコネクティングロッドの製造方法
KR200279458Y1 (ko) 볼 베어링의 리테이너를 제조하는 금형
JP2013020436A (ja) 加工装置および加工方法
KR102607754B1 (ko) 튜브관 가공 시스템
CN115709528A (zh) 一种浴缸裁边打孔机
JP5978057B2 (ja) プレス装置
WO2020137832A1 (ja) コネクティングロッドの加工装置、及びコネクティングロッドの製造方法
JPH11300757A (ja) トーリック凹面形状の形成方法と装置
JP2546164B2 (ja) パイプベンダーに於けるアール除変加工方法及び装置
JP2003062620A (ja) 非円形筒状素材の端部絞り加工方法
JPS5810426A (ja) 放電加工装置

Legal Events

Date Code Title Description
AS Assignment

Owner name: NIHON SPINDLE MFG. CO., LTD., JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NAKAMURA, YOSHINOBU;MIZUMOTO, HIROAKI;REEL/FRAME:013116/0475

Effective date: 20020709

FPAY Fee payment

Year of fee payment: 4

FEPP Fee payment procedure

Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY

REMI Maintenance fee reminder mailed
LAPS Lapse for failure to pay maintenance fees
STCH Information on status: patent discontinuation

Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362

FP Lapsed due to failure to pay maintenance fee

Effective date: 20121130